I640 over BRANCH


+36.02861, -83.86639
36°01'43" N, 83°51'59" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I640 over BRANCH
Structure number:47I06400029
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:11.5 ft. [3.5 m]
Total length:24.6 ft. [7.5 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:52,520 [as of 2015]
Truck traffic:14% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:39.6 tons [36.0 metric tons]
Inventory rating:24.8 tons [22.5 metric tons]
Sufficiency rating:58.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$505,000

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
April 201658.9Fair6 out of 10-52520
April 201458.9Fair6 out of 10-51910
April 201270.0Good7 out of 10-52340
April 201070.0Good7 out of 10-45280
March 200867.0Good7 out of 10-47230
December 200667.0Good7 out of 10-53990
December 200467.0Good7 out of 10-52790
September 200267.0Good7 out of 10-47820
October 200067.0Good7 out of 10-46250
December 199867.0Good7 out of 10-48680
September 199667.0Good7 out of 10-41210
November 199467.0Good7 out of 10-39980
August 199267.0Good7 out of 10-34000
October 199067.0Good7 out of 10-34000